By: magic-gigapans
Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 8 May 2020
Last Updated: 18 May 2020

1.51 gigapixels
45,664 x 33,032 pixels
152.2 in X 110.1 in at 300dpi
4,061 pixels per inch

Banded iron formation. The greyish color is specular hematite, the red is jasper, and the gold is tiger's eye. Sample is 26 cm across at its widest point, and was contributed by Dr. Jay Kaufman of University of Maryland.